Land Mobile Radio (LMR) Network Engineer
Company: NextGen Federal Systems
Location: Springfield
Posted on: February 16, 2026
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Job Description:
Job Description Job Description Nextgen is seeking a candidate
with a broad engineering background to support US Marshals hosted
infrastructure supporting agents in the field. Infrastructure
includes Compute, Storage, Virtualization, Networking and
Applications. In addition to on-premise equipment, individual will
support hosted infrastructure in Azure GovCloud. Candidate shall
have vast experience creating and maintaining robust network
architectures to provide high availability and resiliency. Required
Qualifications Top Secret (Individuals with currents Secret
clearance may be considered.) 5 years’ experience planning,
designing, troubleshooting, and optimizing network configurations
and architectures Manages Cisco routers, switches, and firewalls;
installs, configures, operates, and troubleshoots high availability
routed and switched networks Candidate must be proficient with the
configuration, software/firmware upgrade, and troubleshooting
processes of the following platforms: o ISR 4000 Series Routers o
Cisco Nexus Switches o Cisco ASA firewalls o Knowledge on build in
Firepower o Cisco AnyConnect VPN o Cisco FTD firewalls o Managing
FTD firewalls via Cisco's FMC o Implementing URL filtering rules o
Implementing SSL Inspection o Cisco ISE Manages design,
configuration, optimization and enhancement of two networks with
more than 100 remote sites, telecommunications (local and wide area
networking, Transmission Control Protocol/Internet Protocol
(TCP/IP) and web-based technologies) Designs and drafts network
diagrams and concepts for modernization of the current and future
on-prem and cloud-hosted infrastructures Applies thorough
understanding of IT best practices, methods, and techniques to
install, maintain, integrate, and support IT hardware, software,
and services; makes recommendations and develops improvements of
work methods for solving IT system related problems Performs
incident management and coordinates with service providers and
other agencies to maintain network continuity Proficiencies in
deploying and maintaining security templates and configuration
baselines following agency guidelines such as DoD STIGS for network
equipment Actively applies thorough knowledge of software and
systems development life cycles, including performance measurement
principles and methods and ensuring incorporation of appropriate
security measures Utilizes application load balancers to improve
the security and availability of network resources Manages Cisco
ISE for device administration, posturing, and profiling Experience
with SolarWinds Leverages SolarWinds modules for configuration
changes and repository, performance monitoring, and alerting
Maintains remote access VPN via Secure Endpoint Desired
Qualifications A candidate with experience in the configuration,
software/firmware upgrade, and troubleshooting processes for the
following additional attributes is highly desirable but not
required: o CCNA Route and Switch – Data Center o CCNP Route and
Switch o Cisco AMP o Cisco’s Unified Computing System (UCS) o Cisco
Duo MFA for VPN and network & server administration o Cisco Wi-Fi
technologies and wireless access controllers o CradlePoint mobile
routers with onboard modems and SIMs o Palo Alto firewalls and VPN
o Azure networking tools including Azure load balancers, NSGs, and
vNets o Deploying devices in Azure Gov using custom ARM templates o
SMS gateway services o WAN bonding About NextGen: NextGen Federal
Systems is an innovative technology and professional services
provider specializing in advanced software solutions and
comprehensive mission and business support services. We work in
close collaboration with our Customers to truly understand their
business and mission goals. Our approach is to design, build,
implement, and manage solutions that measurably improve our
client’s organizational performance. We have established and foster
a corporate culture where we: •Treat employees with fairness and
respect regardless of their position, sexual identity, race, or
tenure. •Communicate the importance of our mission and our
employees’ contributions to it, ensuring they understand how their
job role contributes to the greater good. •Openly promote and
communicate our ideas for change and adaptability. •Strive to
achieve results as an organization. •Hold employees accountable to
their commitments and provide incentives that encourage positive
and productive behaviors. •Value the talents and contributions of
our employees as the key factor for our success. •Create an
environment where people can engage at all levels. •Encourage
people to take risks and allow them to make mistakes. Equal
Opportunity Employer/Protected Veterans/Individuals with
Disabilities. RefID: A01
Keywords: NextGen Federal Systems, Reston , Land Mobile Radio (LMR) Network Engineer, IT / Software / Systems , Springfield, Virginia
